Home / 27,242.43-40,875.77-13,908.36

Finding the Fourth Proportional to 27,242.43, 40,875.77 and 13,908.36

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Solution

The fourth proportional to 27,242.43, 40,875.77 and 13,908.36 is: 20,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,242.43 : 40,875.77 = 13,908.36 : x
  2. Step 2: Convert to fraction form
    27,242.43/40,875.77 = 13,908.36/x
  3. Step 3: Cross multiply
    27,242.43x = 40,875.77 × 13,908.36
  4. Step 4: Simplify right side
    27,242.43x = 568,514,854.90
  5. Step 5: Solve for x
    x = 568,514,854.90/27,242.43
  6. Step 6: Final answer
    x = 20,868.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.